How to fix Tekken 8 Steam Deck fatal error

Tekken 8 players on Steam Deck may encounter a fatal error that prevents the game from running smoothly. This guide provides a solution to resolve this frustrating issue.

Resolving Tekken 8 Fatal Error on Steam Deck

The key to fixing the Tekken 8 fatal error on Steam Deck lies in applying a Proton Hotfix. Proton Hotfixes are specific updates designed for Valve's Proton compatibility tool, targeting urgent game-specific issues on the Steam Deck.

At first, I thought these hotfixes were applied automatically, and I assume this is a point of confusion for a lot of players like me. Since manual application is necessary, I will explain the process one step at a time.

Step-by-Step Guide to Applying Proton Hotfix To Tekken 8 on Steam Deck

1. Access Steam Library on Steam Deck: The first step involves opening your Steam Library on the Steam Deck device.
2. Select Tekken 8: Navigate through your game list and select Tekken 8.
3. Access Game Properties: Click on the gear icon on Tekken 8's listing to open its properties.
4. Navigate to Compatibility Settings: In the properties menu, go to the 'Compatibility' tab.
5. Choose Proton Hotfix: Within the compatibility settings, there's a dropdown menu under 'Compatibility tools'. From here, select 'Proton Hotfix', if it's available.
6. Download and Apply the Hotfix: Your Steam Deck will download and apply the selected Hotfix.
7. Launch Tekken 8: Once the hotfix is applied, start Tekken 8 to check if the fatal error issue is resolved.

Related: Complete Tekken 8 Character List

In my experience (and this was confirmed by many players across all platforms), out of all Tekken 8 game modes, the ones affected by the fatal crash error are online ones. I have played some storyline missions and 1vs1 with my wife, and I haven't had any issues so far. But the moment I tried to log into an online match, the game crashed for me.

By applying the Proton Hotfix, you should find that the fatal error issue with Tekken 8 on Steam Deck is effectively resolved. This method focuses on enhancing the compatibility of the game with Steam Deck's operating environment.

Looking for more guides on Tekken 8? We've got you covered! Check out All Tekken 8 Ranks and Tekken 8 Tier List – All Characters, Ranked here on Pro Game Guides!